CN106583467A - Hot rolling process method for 2050 alloy cast ingot - Google Patents
Hot rolling process method for 2050 alloy cast ingot Download PDFInfo
- Publication number
- CN106583467A CN106583467A CN201611259982.1A CN201611259982A CN106583467A CN 106583467 A CN106583467 A CN 106583467A CN 201611259982 A CN201611259982 A CN 201611259982A CN 106583467 A CN106583467 A CN 106583467A
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- CN
- China
- Prior art keywords
- alloy cast
- cast ingot
- hot rolling
- technology method
- heating furnace
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a hot rolling process method for a 2050 alloy cast ingot. The process method comprises the steps of surface milling, heating through a heating furnace and rolling through a hot mill. According to the hot rolling process method for the 2050 alloy cast ingot, the mode of online heating and heat preservation rolling and deformation controlling is adopted, the stress corrosion cracking resistance is enhanced, and the shape stability is improved.
Description
Technical field
The invention belongs to aluminium production technical field, more particularly to a kind of 2050 alloy cast ingot hot rolling technology method.
Background technology
In the production process of aluminum products, aluminium ingot casting does not carry out Homogenization Treatments and is just rolled, and can only reduce drafts
To ensure that aluminium ingot casting will not ftracture, and in prior art, for aerospace metal material, tensile strength, yield strength and
Elongation percentage is poor, it is impossible to meet mechanical property requirements of the Aero-Space metal material in high-speed cruising.
Accordingly, it is desirable to provide a kind of 2050 alloy cast ingot hot rolling technology method, with strengthen Stress Corrosion Cracking Resistance and
Improve the stability of shape, be those skilled in the art's problem demanding prompt solution.
The content of the invention
The invention provides a kind of 2050 alloy cast ingot hot rolling technology method, with strengthening Stress Corrosion Cracking Resistance and change
The stability of kind shape.
To solve above-mentioned technical problem, the invention provides a kind of 2050 alloy homogenization method, the process bag
Include following steps：1) milling face；2) stove heat is heated, 545 DEG C -555 DEG C of heating furnace constant temperature treats that 2050 alloy cast ingot temperature reach
After 470 DEG C -520 DEG C, 4h-8h is incubated, the heating furnace residing time in furnace is less than 23.5h-24.5h；3) hot mill rolling, opens
Front 460 DEG C -520 DEG C of the 2050 alloy cast ingot temperature is rolled, pass deformation is less than or equal to 30mm.
Preferably, in above-mentioned 2050 alloy cast ingot hot rolling technology method, the heating furnace temperature-controlled precision reaches ± 10 DEG C.
Preferably, in above-mentioned 2050 alloy cast ingot hot rolling technology method, the heating furnace is the double thorax heating furnaces of chain type.
Preferably, in above-mentioned 2050 alloy cast ingot hot rolling technology method, the hot mill rolling to crop end thickness is
50mm-80mm。
Preferably, in above-mentioned 2050 alloy cast ingot hot rolling technology method, finishing temperature is more than or equal to 320 DEG C.
2050 alloy cast ingot hot rolling technology method provided by the present invention, is rolled by milling face, heating stove heat and hot-rolling mill
The process of system.This programme provide the alloy cast ingot hot rolling technology method of one kind 2050, adopt on-line heating insulation rolling with
And the mode of control deflection, with Stress Corrosion Cracking Resistance is strengthened, improve the stability of shape.
Specific embodiment
The core of the present invention is to provide a kind of 2050 alloy cast ingot hot rolling technology method, resists with stress corrosion fracture is strengthened
Power and the stability for improving shape
In order that those skilled in the art more fully understands the technical scheme of present invention offer, below in conjunction with concrete reality
The present invention is described in further detail to apply example.
A kind of 2050 alloy cast ingot hot rolling technology method provided by the present invention, process comprises the steps：1) milling
Face；2) stove heat is heated, 545 DEG C -555 DEG C of heating furnace constant temperature after 2050 alloy cast ingot temperature reach 470 DEG C -520 DEG C, is protected
Warm 4h-8h, heating furnace residing time in furnace is less than 23.5h-24.5h；3) hot mill rolling, 2050 alloy cast ingot temperature before open rolling
460 DEG C -520 DEG C, pass deformation is less than or equal to 30mm.
2050 alloy cast ingot hot rolling technology method provided by the present invention, is rolled by milling face, heating stove heat and hot-rolling mill
The process of system.This programme provide the alloy cast ingot hot rolling technology method of one kind 2050, adopt on-line heating insulation rolling with
And the mode of control deflection, with Stress Corrosion Cracking Resistance is strengthened, improve the stability of shape.
Further, 2050 alloy cast ingot milling faces are clean and top layer is without casting flaw, are favorably improved hot rolling technology yield rate.
Heating furnace temperature-controlled precision reaches ± 10 DEG C, and accuracy of temperature control can be preferably improved in this accuracy rating, is unlikely to affect whole
The final processing effect of technique.Heating furnace is the double thorax heating furnaces of chain type.Hot mill rolling to crop end thickness is 50mm-80mm.
Clout continues mill product thickness.Finishing temperature is more than or equal to 320 DEG C.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fall in the protection domain of the claims in the present invention with modification.
Claims (5)
1. a kind of 2050 alloy cast ingot hot rolling technology method, it is characterised in that the process comprises the steps：1) milling
Face；2) stove heat is heated, 545 DEG C -555 DEG C of heating furnace constant temperature after 2050 alloy cast ingot temperature reach 470 DEG C -520 DEG C, is protected
Warm 4h-8h, the heating furnace residing time in furnace is less than 23.5h-24.5h；3) hot mill rolling, 2050 alloy before open rolling
Ingot casting temperature is 460 DEG C -520 DEG C, and pass deformation is less than or equal to 30mm.
2. 2050 alloy cast ingot hot rolling technology method according to claim 1, it is characterised in that the heating furnace temperature control essence
Degree reaches ± 10 DEG C.
3. 2050 alloy cast ingot hot rolling technology method according to claim 1 and 2, it is characterised in that the heating furnace is
The double thorax heating furnaces of chain type.
4. 2050 alloy cast ingot hot rolling technology method according to claim 3, it is characterised in that the hot mill rolling is arrived
Crop end thickness is 50mm-80mm.
5. 2050 alloy cast ingot hot rolling technology method according to claim 4, it is characterised in that finishing temperature is more than or equal to
320℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259982.1A CN106583467A (en) | 2016-12-30 | 2016-12-30 | Hot rolling process method for 2050 alloy cast ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259982.1A CN106583467A (en) | 2016-12-30 | 2016-12-30 | Hot rolling process method for 2050 alloy cast ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106583467A true CN106583467A (en) | 2017-04-26 |
Family
ID=58581577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611259982.1A Pending CN106583467A (en) | 2016-12-30 | 2016-12-30 | Hot rolling process method for 2050 alloy cast ingot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106583467A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0327883A (en) * | 1989-06-23 | 1991-02-06 | Sumitomo Chem Co Ltd | Manufacture of aluminum alloy clad plate with crystal assembly azimuth controlled |
| CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
| CN102424938A (en) * | 2011-12-01 | 2012-04-25 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy plate for train car |
| CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy sheet |
| CN103509984A (en) * | 2013-09-28 | 2014-01-15 | 中南大学 | Ultrahigh strength aluminum lithium alloy and preparation method thereof |
| CN104694859A (en) * | 2015-03-31 | 2015-06-10 | 中国工程物理研究院材料研究所 | Hot rolling preparation method of large size B4C/aluminium alloy composite material sheet for spent fuel storage |
| CN105063519A (en) * | 2015-07-15 | 2015-11-18 | 浙江中金铝业有限公司 | Aluminum alloy milling surface homogenization process |
-
2016
- 2016-12-30 CN CN201611259982.1A patent/CN106583467A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0327883A (en) * | 1989-06-23 | 1991-02-06 | Sumitomo Chem Co Ltd | Manufacture of aluminum alloy clad plate with crystal assembly azimuth controlled |
| CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
| CN102424938A (en) * | 2011-12-01 | 2012-04-25 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy plate for train car |
| CN103014570A (en) * | 2012-12-27 | 2013-04-03 | 西南铝业（集团）有限责任公司 | Production method of aluminum alloy sheet |
| CN103509984A (en) * | 2013-09-28 | 2014-01-15 | 中南大学 | Ultrahigh strength aluminum lithium alloy and preparation method thereof |
| CN104694859A (en) * | 2015-03-31 | 2015-06-10 | 中国工程物理研究院材料研究所 | Hot rolling preparation method of large size B4C/aluminium alloy composite material sheet for spent fuel storage |
| CN105063519A (en) * | 2015-07-15 | 2015-11-18 | 浙江中金铝业有限公司 | Aluminum alloy milling surface homogenization process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |